Travel mug



FIG. 1 is a top, left, rear isometric view of a travel mug shown in ournew design wherein the broken line showing of a lid in the figure is forillustrative purposes only and forms no part of the claimed design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a top plan view thereof.

The ornamental design for a travel mug, as shown and described.